Rosacea - Basics

Acne Rosacea
Ocular Rosacea

Rosacea Symptoms
Rosacea Stages
Rosacea Causes and Pathogenesis
Triggers

Rosacea Treatment
Skin Care
Sunscreens

Skin Function & Rosacea

Emotional Factors / Psychological Study

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Rosacea Treatment : The Sansrosa Patent - Some New Possible Treatment Methods : Definitions :

Heterocycloalkyl

The term "heterocycloalkyl" means a non-aromatic monocyclic or polycyclic ring comprising carbon and hydrogen atoms and at least one heteroatom, preferably, 1 to 4 heteroatoms selected from nitrogen, oxygen, and sulfur. A heterocycloalkyl group can have one or more carbon-carbon double bonds or carbon-heteroatoms double bonds in the ring as long as the ring is not rendered aromatic by their presence. Examples of heterocycloalkyl groups include aziridinyl, pyrrolidinyl, pyrrolidino, piperidinyl, piperidino, piperazinyl, piperazino, morpholinyl, morpholino, thiomorpholinyl, thiomorpholino, tetrahydrofuranyl, tetrahydrothiofuranyl, tetrahydropyranyl, and pyranyl. A heterocycloalkyl group can be unsubstituted or substituted with one or two suitable substituents. Preferably, the heterocycloalkyl group is a monocyclic or bicyclic ring, more preferably, a monocyclic ring, wherein the ring comprises from 2 to 6 carbon atoms and from 1 to 3 heteroatoms, referred to herein as (C.sub.1-C.sub.6)heterocycloalkyl.